config_test.go

Documentation: k8s.io/component-base/tracing/api/v1

     1  /*
     2  Copyright 2021 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package v1
    18  
    19  import (
    20  	"testing"
    21  
    22  	"k8s.io/apimachinery/pkg/util/validation/field"
    23  )
    24  
    25  func TestValidateTracingConfiguration(t *testing.T) {
    26  	samplingRate := int32(12378)
    27  	negativeRate := int32(-1)
    28  	tooHighRate := int32(1000001)
    29  	validEndpoint := "localhost:4317"
    30  	dnsEndpoint := "dns://google.com:4317"
    31  	unixEndpoint := "unix://path/to/socket"
    32  	invalidURL := "dn%2s://localhost:4317"
    33  	httpEndpoint := "http://localhost:4317"
    34  	testcases := []struct {
    35  		name        string
    36  		expectError bool
    37  		contents    *TracingConfiguration
    38  	}{
    39  		{
    40  			name:        "sampling-rate-valid",
    41  			expectError: false,
    42  			contents: &TracingConfiguration{
    43  				SamplingRatePerMillion: &samplingRate,
    44  			},
    45  		},
    46  		{
    47  			name:        "sampling-rate-negative",
    48  			expectError: true,
    49  			contents: &TracingConfiguration{
    50  				SamplingRatePerMillion: &negativeRate,
    51  			},
    52  		},
    53  		{
    54  			name:        "sampling-rate-negative",
    55  			expectError: true,
    56  			contents: &TracingConfiguration{
    57  				SamplingRatePerMillion: &tooHighRate,
    58  			},
    59  		},
    60  		{
    61  			name:        "default Endpoint",
    62  			expectError: false,
    63  			contents: &TracingConfiguration{
    64  				Endpoint: &validEndpoint,
    65  			},
    66  		},
    67  		{
    68  			name:        "dns Endpoint",
    69  			expectError: false,
    70  			contents: &TracingConfiguration{
    71  				Endpoint: &dnsEndpoint,
    72  			},
    73  		},
    74  		{
    75  			name:        "unix Endpoint",
    76  			expectError: false,
    77  			contents: &TracingConfiguration{
    78  				Endpoint: &unixEndpoint,
    79  			},
    80  		},
    81  		{
    82  			name:        "invalid Endpoint",
    83  			expectError: true,
    84  			contents: &TracingConfiguration{
    85  				Endpoint: &httpEndpoint,
    86  			},
    87  		},
    88  		{
    89  			name:        "invalid url",
    90  			expectError: true,
    91  			contents: &TracingConfiguration{
    92  				Endpoint: &invalidURL,
    93  			},
    94  		},
    95  	}
    96  
    97  	for _, tc := range testcases {
    98  		t.Run(tc.name, func(t *testing.T) {
    99  			errs := ValidateTracingConfiguration(tc.contents, nil, field.NewPath("tracing"))
   100  			if !tc.expectError && len(errs) != 0 {
   101  				t.Errorf("Calling ValidateTracingConfiguration expected no error, got %v", errs)
   102  			} else if tc.expectError && len(errs) == 0 {
   103  				t.Errorf("Calling ValidateTracingConfiguration expected error, got no error")
   104  			}
   105  		})
   106  	}
   107  }
   108
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